@media screen and (min-width 1366px)  
  .waterfall
    margin-top 15px
    -moz-column-count 6
    -webkit-column-count 6
    column-count 6
    -moz-column-gap 1em
    -webkit-column-gap 1em
    column-gap 1em
    .fallitem
      padding 1em
      margin 0 0 15px 0
      -webkit-column-break-inside avoid
      break-inside avoid
      background #ffffff
      box-shadow 2px 2px 2px rgba(0,0,0,.3)
      width 100%
      height 100%
      display block
      &:hover
        box-shadow 2px 2px 6px rgba(0,0,0,.4)
      img
        width 100%
        min-height 50px
      .fallcover
        line-height 1.4em
        .img-author
          width 100%
          text-align center

@media screen and (max-width 1366px) and (min-width 768px)
  .waterfall
    margin-top 10px
    -moz-column-count 4
    -webkit-column-count 4
    column-count 4
    -moz-column-gap 0.5em
    -webkit-column-gap 0.5em
    column-gap 0.5em
    .fallitem
      padding 0.5em
      margin 0 0 10px 0
      -webkit-column-break-inside avoid
      break-inside avoid
      background #ffffff
      box-shadow 2px 2px 2px rgba(0,0,0,.3)
      width 100%
      height 100%
      display block
      &:hover
        box-shadow 2px 2px 6px rgba(0,0,0,.4)
      img
        width 100%
        min-height 50px
      .fallcover
        line-height 1.4em
        .img-author
          width 100%
          text-align center

          
@media screen and (max-width 768px) 
  .waterfall
    margin-top 8px
    -moz-column-count 3
    -webkit-column-count 3
    column-count 3
    -moz-column-gap 0.4em
    -webkit-column-gap 0.4em
    column-gap 0.4em
    .fallitem
      padding 0.4em
      margin 0 0 8px 0
      -webkit-column-break-inside avoid
      break-inside avoid
      background #ffffff
      box-shadow 2px 2px 2px rgba(0,0,0,.3)
      width 100%
      height 100%
      display block
      &:hover
        box-shadow 2px 2px 6px rgba(0,0,0,.4)
      img
        width 100%
        min-height 40px
      .fallcover
        line-height 1.4em
        .img-author
          width 100%
          text-align center
          